PL295738A1 - Self-advancing longwall roof supports - Google Patents

Self-advancing longwall roof supports

Info

Publication number
PL295738A1
PL295738A1 PL29573892A PL29573892A PL295738A1 PL 295738 A1 PL295738 A1 PL 295738A1 PL 29573892 A PL29573892 A PL 29573892A PL 29573892 A PL29573892 A PL 29573892A PL 295738 A1 PL295738 A1 PL 295738A1
Authority
PL
Poland
Prior art keywords
self
roof supports
advancing longwall
longwall roof
advancing
Prior art date
Application number
PL29573892A
Other versions
PL168136B1 (en
Inventor
Wieslaw Bonka
Kazimierz Sikora
Edward Koszela
Henryk Podsiadlo
Marian Pachota
Wieslaw Kedzior
Original Assignee
Staszic Kopalnia Wegla Kamienn
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Staszic Kopalnia Wegla Kamienn filed Critical Staszic Kopalnia Wegla Kamienn
Priority to PL29573892A priority Critical patent/PL168136B1/en
Publication of PL295738A1 publication Critical patent/PL295738A1/en
Publication of PL168136B1 publication Critical patent/PL168136B1/en

Links

PL29573892A 1992-08-25 1992-08-25 Self-advancing longwall roof supports PL168136B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL29573892A PL168136B1 (en) 1992-08-25 1992-08-25 Self-advancing longwall roof supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL29573892A PL168136B1 (en) 1992-08-25 1992-08-25 Self-advancing longwall roof supports

Publications (2)

Publication Number Publication Date
PL295738A1 true PL295738A1 (en) 1994-03-07
PL168136B1 PL168136B1 (en) 1996-01-31

Family

ID=20058370

Family Applications (1)

Application Number Title Priority Date Filing Date
PL29573892A PL168136B1 (en) 1992-08-25 1992-08-25 Self-advancing longwall roof supports

Country Status (1)

Country Link
PL (1) PL168136B1 (en)

Also Published As

Publication number Publication date
PL168136B1 (en) 1996-01-31

Similar Documents

Publication Publication Date Title
GB2258878B (en) Mine roof support system
GB2260558B (en) Mine roof supports
PL295738A1 (en) Self-advancing longwall roof supports
ZA933156B (en) Mine prop
PL297435A1 (en) Yieldable mine roof supports
PL289443A1 (en) Self-advancing longwall roof supports
PL53197Y1 (en) Self-advancing longwall roof supports
PL53496Y1 (en) SELF-ADVANCING mine ROOF SUPPORTS
GB9014178D0 (en) Mine roof supports
PL53803Y1 (en) Self-advancing roof supports
PL295066A1 (en) Self-advancing roof supports
PL297115A1 (en) Mine roof support
PL298461A1 (en) Lemniscate type self-advancing roof supports
PL302601A1 (en) Lemniscate type self-advancing roof supports
PL292437A1 (en) Self-advancing roof supports
PL299601A1 (en) Self-advancing roof supports
PL297682A1 (en) Self-advancing roof supports
PL55052Y1 (en) Self-advancing roof supports
PL55045Y1 (en) Self-advancing roof supports
ZA921314B (en) Mine props
ZA936338B (en) Mine prop
PL54568Y1 (en) Mine roof support
GB2243394B (en) Mine roof supports
ZA933762B (en) Yielding mine prop
PL289662A1 (en) Mine roof supports of prop type